utility rate across the board

Hi Guys,
Can you help me with the translations of this phrse in this context?

The firm's largest shareholders, the U.K.'s BG Group PLC and Spain's Repsol YPF SA, are looking at options for the longer term, including the possible arrival of a new partner. Public service companies in Argentina have struggled since the country's 2001-2002 economic meltdown, when the government froze most utility rates across de boardLas empresas argentinas de servivio pùblico se han encontrado en apuros desde el colapso econòmico del paìs en 2001-2002, cuando el gobiernocongelò el porcentaje de utilidad ....?I catch on the meaning but cannot find the translation!